西泽克是开拓现代“儿童绘画”美术教育新领域的“儿童美术教育先驱者”。但是，无论是科学的发明还是新思想的确立，常常不可避免地存在着粗略性。例如，莱特兄弟１９０３年实现人类历史上第一次载人飞行的那架飞机既没有外壳又没有起落架，人爬在下机翼上驾驶，其飞行性能远? SIXLCK is a pioneer in children’s art education that opens up new fields of modern art education for children’s painting. However, both scientific inventions and new ideas are often inevitably crude. For example, did the Wright brothers fly the first manned flight in human history in 1903, both without housings and without a landing gear?